25800680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20807}}^1$

素因数の和:20849

約数の個数: 32

約数和(自身を含む): 59927040

約数和(自身を除く): 34126360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 20807, 41614, 83228, 104035, 166456, 208070, 416140, 645017, 832280, 1290034, 2580068, 3225085, 5160136, 6450170, 12900340, 25800680]

約数ペア:

[(1, 25800680), (2, 12900340), (4, 6450170), (5, 5160136), (8, 3225085), (10, 2580068), (20, 1290034), (31, 832280), (40, 645017), (62, 416140), (124, 208070), (155, 166456), (248, 104035), (310, 83228), (620, 41614), (1240, 20807)]